The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 2011
Filed:
Mar. 05, 2008
Hiroshi Hatano, Chofu, JP;
Katsuhiko Yoshida, Yokohama, JP;
Toshimitsu Yamada, Yokohama, JP;
Shinobu Sekito, Yokohama, JP;
Susumu Nagano, Kawasaki, JP;
Hiroyoshi Tsuchiya, Kitakyushu, JP;
Hiroshi Hatano, Chofu, JP;
Katsuhiko Yoshida, Yokohama, JP;
Toshimitsu Yamada, Yokohama, JP;
Shinobu Sekito, Yokohama, JP;
Susumu Nagano, Kawasaki, JP;
Hiroyoshi Tsuchiya, Kitakyushu, JP;
Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;
Abstract
A coil insulator of an electrical rotating machine used as a main insulator for insulating a bundle of conductors formed of a plurality of insulated wires to form an armature coil provided in a slot of a rotor core or a stator core of an electrical rotating machine, wherein the coil insulator includes a mica layer including at least one of a peeled-off mica and a composite mica, a woven- or unwoven cloth including at least one of inorganic and organic materials, hexagonal crystal boron nitride particles having a graphitization index of 1.8 or more, and thermosetting polymer organic resin which integrally connects the mica layer and the hexagonal crystal boron nitride particles to each other, and the hexagonal crystal boron nitride particles is oriented in a longitudinal direction of the coil.